Denillo Heating & Cooling: Trusted HVAC Experts in Bethel Park, PA

For over 40 years, Denillo Heating & Cooling has been the go-to name for heating and air conditioning in Pittsburgh's South Hills and beyond. This family-owned, second-generation business provides reliable HVAC solutions for homes and businesses across the region. They are open 24/7 for emergency service, ensuring comfort is never delayed by a breakdown.

The team at Denillo Heating & Cooling includes skilled technicians, installers, and support staff dedicated to residential and commercial projects. They focus on delivering a positive experience with clear communication and dependable results.

Key Services for Your Home or Business

Denillo Heating & Cooling handles all major HVAC needs. Their core services are designed to keep systems running efficiently year-round.

  • HVAC Installation & Replacement: Whether you need a new system for an old Bethel Park home or an upgrade for a commercial building, they help select and install the right equipment.
  • HVAC System Repair: Fast, accurate repairs for furnaces, air conditioners, and heat pumps to restore comfort quickly.
  • HVAC System Maintenance: Regular tune-ups and check-ups to improve efficiency, prevent costly repairs, and extend system life.

They also specialize in ductless mini-splits and heat pumps, great solutions for older homes or room additions common in the area.

Areas Served with Local Know-How

Denillo Heating & Cooling serves a wide region around Pittsburgh. This includes Bethel Park PA, Penn Hills, Mount Lebanon, Cranberry Township, Monroeville, Greensburg, Butler, and over 150 other communities.

Their deep local knowledge means they understand the specific needs of houses and buildings in Western Pennsylvania. They know how older Pittsburgh-area homes handle humidity and how modern commercial spaces manage airflow. This experience helps them provide tailored solutions that work for local climates and building styles.

Company History: A Family Legacy

The story began with founder Guy Denillo, whose high standards earned him the motto "The Only Guy To Call®." His son Nick now leads the business, continuing a tradition of excellence and customer care that spans four decades.

Ask around the South Hills, and you'll hear the same recommendation: Denillo Heating & Cooling. That reputation comes from decades of making customers happy with fair prices and reliable work.

Leadership & Local Presence

As a second-generation, family-owned company, leadership is hands-on. The team, guided by the Denillo family's values, is deeply rooted in the community. They are not just service providers; they are neighbors who take pride in their work and their role in keeping local homes and businesses comfortable.

Specialties & Highlights

Several key features set Denillo Heating & Cooling apart in the Bethel Park, PA market.

  • Trane Comfort Specialist Dealer: This designation means they are trained experts in one of the industry's most trusted brands.
  • Mitsubishi Diamond Dealer: They are a top-tier provider for Mitsubishi ductless and zoning systems, offering advanced efficiency options.
  • Energy Efficiency Focus: Their services aim to lower heating and cooling costs, a major concern for Pennsylvania homeowners.
  • Indoor Air Quality Solutions: They provide options for cleaner air, addressing common regional issues like pollen and humidity.
  • Transparent Pricing: Customers appreciate straightforward quotes and honest assessments.

Why Locals Choose Denillo Heating & Cooling

Residents and business owners in Bethel Park, PA and across Western Pennsylvania choose Denillo Heating & Cooling for simple reasons. They offer a rare combination of long-term stability and modern expertise. With 24/7 availability, they are there when you need them. Their partnership with leading brands like Trane and Mitsubishi ensures access to high-quality, reliable products.

Ultimately, it comes down to trust built over 40 years. They deliver energy-efficient comfort, cleaner air, and fair value. For better air from people who care, the choice for many is Denillo Heating & Cooling in Bethel Park, PA.

Contact Information

Denillo Heating & Cooling

★★★★★ 4.5 / 5 (8)

: 2994 Industrial Blvd, Bethel Park, PA 15102

: (412) 775-3970

: https://www.denillo.com

Business Services

  • HVAC installation or replacement
  • HVAC system repair
  • HVAC system maintenance

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours




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